Formby Bay Weather Forecast
- 13
- 19
Partly cloudy
- 12
- 18
Possible shower
- 10
- 16
Cloudy
- 9
- 16
Cloudy
- 8
- 17
Mostly sunny
- 8
- 20
Sunny
- 12
- 22
Sunny
Today 13 Sep Yorke Peninsula
Mostly clear. Winds west to southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.
Central Coastal Waters
- Wind
- Westerly 15 to 20 knots.
- Seas
- 1.5 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge builds across much of SA, as a cold front slips across southern coasts late Monday into early Tuesday. A high pressure system will then move across waters to the south throughout the week to be centred over Victoria by Thursday. A low pressure trough in the interior of WA may extend into far western parts at times before weakening by late Tuesday.
Formby Bay Temperature Statistics View More
September Temperature
Stenhouse Bay (24km)
Lowest 8 September, 2026
8.9 °CAverage September
13.8 °CHighest 4 September, 2026
20.2 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C